130050921 has 96 divisors (see below), whose sum is σ = 244056064. Its totient is φ = 59875200.

The previous prime is 130050911. The next prime is 130050931. The reversal of 130050921 is 129050031.

It is an interprime number because it is at equal distance from previous prime (130050911) and next prime (130050931).

It is not a de Polignac number, because 130050921 - 2⁶ = 130050857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130050911) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1023960 + ... + 1024086.

Almost surely, 2^130050921 is an apocalyptic number.

130050921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130050921 is a deficient number, since it is larger than the sum of its proper divisors (114005143).

130050921 is a wasteful number, since it uses less digits than its factorization.

130050921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 130050921 is about 11403.9870659344. The cubic root of 130050921 is about 506.6458356991.

The spelling of 130050921 in words is "one hundred thirty million, fifty thousand, nine hundred twenty-one".